diff --git a/lib/src/slovenian/NounSlv.gf b/lib/src/slovenian/NounSlv.gf
index 492df76cb..3265125c1 100644
--- a/lib/src/slovenian/NounSlv.gf
+++ b/lib/src/slovenian/NounSlv.gf
@@ -36,4 +36,6 @@ concrete NounSlv of Noun = CatSlv ** open ResSlv in {
       s = \\spec,c,n => ap.s ! spec ! cn.g ! c ! n ++ cn.s ! Indef ! c ! n ;
       g = cn.g
       } ;
+    AdvCN cn ad = {s = \\spec,c,n => cn.s ! spec ! c ! n ++ ad.s ; g = cn.g} ;
+
 }